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Phase II Drilling Commences at the Mostaza Deposit
Phase II Drilling Commences at the Mostaza Deposit.

About this update from Great Southern Copper Plc
[{"type":"text","content":"\n\nTHIS ANNOUNCEMENT CONTAINS INSIDE INFORMATION AS STIPULATED UNDER THE UK VERSION OF THE MARKET ABUSE REGULATION NO 596/2014 WHICH IS PART OF ENGLISH LAW BY VIRTUE OF THE EUROPEAN (WITHDRAWAL) ACT 2018, AS AMENDED. ON PUBLICATION OF THIS ANNOUNCEMENT VIA A REGULATORY INFORMATION SERVICE, THIS INFORMATION IS CONSIDERED TO BE IN THE PUBLIC DOMAIN.\n \n11 March 2025\n \nGreat Southern Copper plc\n(\"GSC\" or the \"Company\")\n \n \nPhase II Resource Drilling Commences at the Mostaza Cu-Ag Deposit, Cerro Negro\n \nTwo diamond rigs mobilised to expand resource and test exploration targets\n \n \nGreat Southern Copper plc (LSE: GSCU), the company focused on copper-gold and silver exploration in Chile, is pleased to announce that Phase II drilling has commenced at its Mostaza Cu-Ag prospect, Cerro Negro.\n \nHighlights:\n· Phase II drilling commenced at Mostaza utilising two diamond drill rigs\n· Drilling to target depth and strike extensions to high-grade Cu-Ag mineralisation following results of CNG25-DD0011\no 20m @ 3.31% Cu and 270g/t Ag from 27m, including\no 7m @ 5.72% Cu and 490g/t Ag from 31m\n· Exploration drilling along trend south of the Mostaza pit also planned\n· Initial plans are to drill approximately 1,000-1,500m with additional drilling subject to results\n· Results for Phase II drilling to assist commencement of metallurgy and geotechnical studies\n· Core samples for Phase I drill holes CNG25002 - 009 are at ALS Laboratories with assay results pending\n \n \nSam Garrett, Chief Executive Officer of Great Southern Copper, said: \"Following the exciting results delivered by the first hole of our Phase I drill programme, our team in Chile is champing at the bit to get started with the Phase II drilling at Mostaza.\n \n\"This programme represents a significant escalation of activity at Cerro Negro and aims to take maximum advantage of the Phase I drilling permit process which allowed for drilling to April of this year. Preparations to extend the drilling time-frame are also in progress.\n \n\"Besides continuing to deliver important information regarding the geology of the Mostaza deposit, the results for this drilling will also co...